Home / 128,259,902.98-176,993,924.23-69,521,306.97

Finding the Fourth Proportional to 128,259,902.98, 176,993,924.23 and 69,521,306.97

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Solution

The fourth proportional to 128,259,902.98, 176,993,924.23 and 69,521,306.97 is: 95,936,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,259,902.98 : 176,993,924.23 = 69,521,306.97 : x
  2. Step 2: Convert to fraction form
    128,259,902.98/176,993,924.23 = 69,521,306.97/x
  3. Step 3: Cross multiply
    128,259,902.98x = 176,993,924.23 × 69,521,306.97
  4. Step 4: Simplify right side
    128,259,902.98x = 12,304,848,938,218,750
  5. Step 5: Solve for x
    x = 12,304,848,938,218,750/128,259,902.98
  6. Step 6: Final answer
    x = 95,936,833.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.